New
Western Digital BLACK SN850
Capacity 1TB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 7,000 MB/s
NAND TLC
Endurance 600 TBW
78 Overall Score
Price $340
Snapshot
Pros & Cons
Pros
- Strong social proof (96th percentile) 96th
- Strong random (91st percentile) 91st
- Strong speed (79th percentile) 79th
- Strong feature (78th percentile) 78th
Cons
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 1000 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 7000 |
| Sequential Write (MB/s) | 5300 |
| Random Read (IOPS) | 1000000 |
| Random Write (IOPS) | 720000 |
Hardware
| NAND | TLC |
Reliability
| Endurance (TBW) | 600 |
| MTBF (hours) | 1750000 |
Features
| Heatsink | Yes |
vs Competition
| Spec | Western Digital BLACK SN850 | Samsung 9100 Pro | Crucial T500 | Kingston Fury Renegade SFYRDK/2000G | SanDisk WD_Black SN8100 WDS100T1X0M | Corsair MP700 Elite |
|---|---|---|---|---|---|---|
| Capacity | 1TB | 2TB | 2TB | 2TB | 1TB | 2TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 |
| Seq Read | 7,000 MB/s | 14,800 MB/s | 7,400 MB/s | 7,300 MB/s | 14,900 MB/s | 10,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | true | true | true |
| Endurance | 600 TBW | 1200 TBW | 1200 TBW | 2000 TBW | 4800 TBW | 1200 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof |
|---|---|---|---|---|---|---|
| Western Digital BLACK SN850 | 78.9 | 91.3 | 78.4 | 54.7 | 70.9 | 95.6 |
| Samsung 9100 Pro Compare | 99 | 98.7 | 99.7 | 78.2 | 85.8 | 99.6 |
| Crucial T500 Compare | 93.8 | 96.4 | 99 | 78.2 | 82.9 | 95.6 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.9 | 93.7 | 93.8 | 78.2 | 93.8 | 95.6 |
| SanDisk WD_Black SN8100 WDS100T1X0M Compare | 97.5 | 99.1 | 90.6 | 54.7 | 98.9 | 95.6 |
| Corsair MP700 Elite Compare | 94.8 | 96.5 | 99.7 | 78.2 | 87.1 | 38.8 |
Price
Value & Pricing
From $340
Amazon 1 offer From $340
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
